Book holder



FIG. 1 is a front perspective view of a book holder showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front perspective view of the book holder where the book holder is in an alternate open configuration.

FIG. 10 is a rear perspective view of the book holder where the book holder is in an alternate closed configuration.

FIG. 11 is an enlarged detailed view of the boxed area 11 shown in FIG. 1.

FIG. 12 is an enlarged detailed view of the boxed area 12 shown in FIG. 1.

FIG. 13 is an enlarged detailed view of the boxed area 13 shown in FIG. 2; and,

FIG. 14 is an enlarged detailed view of the boxed area 14 shown in FIG. 2. 

CLAIM The ornamental design for a book holder, as shown and described. 